The Osprey Duro 15 Small/Medium Men's Running Backpack is built for athletes tackling the rugged outdoors!

With a cleverly built hydration sleeve, you can easily drink directly from the hose attached to your reservoir (included). Pack fuel for long trail runs into the stretch mesh pockets so you can perform at your very best the entire time. If you predict that the terrain will get a little difficult, make sure to attach your ice axe and/or trekking poles to the bag attachments.

Prepare to race faster than ever before with the intelligently designed Osprey Duro 15 Small/Medium Men's Running Backpack!